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I'm completing the square x^2-6x+11 but I dont know if the answer should be (x-3)^2 + 20 or plus 2 and the same with question x^2-8x+17. can anyone help?

Reply 1

imran__

Original post by rosilo

I'm completing the square x^2-6x+11 but I dont know if the answer should be (x-3)^2 + 20 or plus 2 and the same with question x^2-8x+17. can anyone help?

(x-3)^2-9+11

-9 + 11 =??
that would be ur constant. Same with the other question

Reply 2

username2183021

Original post by rosilo

I'm completing the square x^2-6x+11 but I dont know if the answer should be (x-3)^2 + 20 or plus 2 and the same with question x^2-8x+17. can anyone help?

-3 x -3 = 9, so it's +2 to get to 11

Reply 3

RDKGames

Study Forum Helper

Original post by rosilo

I'm completing the square x^2-6x+11 but I dont know if the answer should be (x-3)^2 + 20 or plus 2 and the same with question x^2-8x+17. can anyone help?